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IB12 06_0654_12/3RP © UCLES 2012 [Turn over

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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education

CO-ORDINATED SCIENCES 0654/12

Paper 1 Multiple Choice May/June 2012

45 minutes

Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended)

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.

Do not use staples, paper clips, highlighters, glue or correction fluid.

Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you.

There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D.

Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet.

Read the instructions on the Answer Sheet very carefully.

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.

Any rough working should be done in this booklet.

A copy of the Periodic Table is printed on page 20.

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© UCLES 2012 0654/12/M/J/12

1 The diagram shows an incomplete plant cell.

Which structure is not shown?

A cell membrane

B cell wall

C chloroplast

D vacuole 2 The diagram shows some red blood cells.

What is the function of these cells?

A antibody formation

B carry oxygen

C make glucose

D phagocytosis

3

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3 A plant has leaves which are green and white. One of the leaves is partly covered on both sides by a piece of black card. The plant is left under a lamp for two days.

green part of the leaf

position of

black card

white part of the leafW

X

Y

Z

The leaf is then removed from the plant and tested for starch (the carbohydrate made during photosynthesis).

Which row is correct?

W X Y Z

A ✓ ✓ ✗ ✗ key

B ✓ ✗ ✗ ✗ ✓= starch present

C ✗ ✓ ✓ ✗ ✗= starch absent

D ✗ ✗ ✓ ✓

4 Which word equation represents aerobic respiration?

A carbon dioxide + oxygen → glucose + water

B carbon dioxide + water → glucose + oxygen

C glucose + oxygen → carbon dioxide + water

D glucose + oxygen → lactic acid

4

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5 The diagram shows the heart, liver and kidneys with connecting blood vessels.

S

P Q

R

What are the labelled blood vessels?

aorta hepatic artery

vena cava renal vein

A Q P S R

B Q R S P

C S P Q R

D S R Q P

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6 The diagram shows a tooth with a cavity caused by decay.

cavity

Which part of the tooth has been exposed by the decay?

A enamel

B dentine

C pulp

D root 7 The diagram shows part of the digestive system.

1

2

4

3

Which labels identify the liver, pancreas and stomach?

liver pancreas stomach

A 2 1 3

B 2 3 1

C 4 2 3

D 4 2 1

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8 A person touches a hot object which triggers a reflex action.

In which order does the signal travel in the reflex arc?

A relay neurone → spinal cord → sensory neurone

B sensory neurone → spinal cord → motor neurone

C spinal cord → sensory neurone → stimulus

D stimulus → motor neurone → spinal cord 9 Which organ in the body makes urea and how is urea removed from that organ?

where made how removed

A kidneys in urine

B liver in blood

C liver in bile

D pancreas in pancreatic juice

10 Which structure produces seminal fluid?

A prostate gland

B sperm duct

C testis

D urethra 11 In plants, the allele for red flowers is dominant to the allele for white flowers.

A heterozygous red-flowered plant is crossed with a white-flowered plant.

What percentage of the offspring will have red flowers?

A 25 % B 50 % C 75 % D 100 % 12 The diagram shows a food chain.

Which organisms pass the greatest amount of energy along the food chain? A B C D

shrubs insects birds mammals

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13 The diagram shows part of the carbon cycle.

carbon dioxide

in the air

carbon

compounds

in animals

carbon

compounds

in dead matter

carbon

compounds

in fossil fuelscarbon

compounds

in plants

1

32

4

Where are photosynthesis and respiration happening?

photosynthesis respiration

A 3 2

B 3 4

C 4 1

D 4 3

14 The colours in an ink can be separated by chromatography.

Which diagram shows the correct way to set up the apparatus?

B

spot of ink

solvent

C

spot of ink

solvent

D

spot of ink

solvent

A

spot of ink

solvent

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15 The symbol for an atom of neon is Ne.20

10

Which statement about the atom is correct?

A It contains half as many neutrons as protons.

B It contains twice as many neutrons as protons.

C The number of neutrons equals the number of protons.

D The total number of neutrons and protons is thirty. 16 Which formula contains the most elements?

A NaOH B Rb2S C SiCl 4 D SnO2 17 The apparatus shown is used to investigate the speed of reaction between hydrochloric acid and

calcium carbonate.

gas syringe

hydrochloric acid

calcium carbonate

The time to collect 50 cm3 of gas is measured.

Using concentrated acid and lumps of calcium carbonate, the time is 150 s.

In a second experiment, the time is 90 s.

Which change was made in the second experiment?

A larger lumps of calcium carbonate

B less concentrated acid

C lower temperature

D powdered calcium carbonate 18 Which substance is reduced during the following reaction? A B C D

lead(II) oxide + hydrogen → lead + water

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19 A coloured solution of compound X gives a white precipitate with acidified silver nitrate.

What is X?

A calcium chloride

B calcium sulfate

C copper(II) chloride

D copper(II) sulfate

20 Which box contains a solution of a metal oxide?

acidic

pH3

A

acidic

pH11

B

alkaline

pH3

C

alkaline

pH11

D

21 The table shows physical properties of some substances.

Which substance is a metal?

malleability density electrical conductivity

A brittle high density high

B brittle low density low

C malleable high density high

D malleable low density low

22 The diagram shows part of the Periodic Table.

Which letter shows the position of a metal with a low melting point?

A

D

C

B

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23 Copper(II) oxide is mixed with a solid Q.

On heating the mixture, a reaction occurs and the limewater turns milky.

heat

copper(II) oxide

and solid Q

limewater

What is solid Q?

A carbon

B iron

C sulfur

D zinc 24 The diagram shows gas P being passed through liquid X and then over iron filings.

liquid X

iron filings

gas P

Which gas and liquid cause the iron to rust?

gas P liquid X

A nitrogen concentrated sulfuric acid (a drying agent)

B nitrogen water

C oxygen concentrated sulfuric acid (a drying agent)

D oxygen water

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25 Fertilisers are used to supply the essential elements needed for plant growth.

Which compound supplies two of these essential elements?

A Ca(H2PO4)2

B Ca(NO3)2

C KNO3

D (NH4)2SO4 26 The burning of a fuel is investigated using the apparatus shown.

limewaterliquid

suction pump

cooling

mixture

flame

liquidfuel

Which substances is the apparatus testing for?

A carbon monoxide and carbon dioxide

B carbon monoxide and water

C carbon dioxide and water

D carbon dioxide and sulfur dioxide 27 This description of a plastic is incomplete.

To make a plastic, ……1…… of a ……2…… combine to form a long chain ……3…… .

Which words correctly complete the gaps?

1 2 3

A atoms monomer polymer

B atoms polymer monomer

C molecules monomer polymer

D molecules polymer monomer

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28 The graph shows how the distance of an object changes with time.

00

2 4 6 8 10 12

distance

time / s

Between which two times is the object moving with a changing speed?

A between 0 s and 2 s

B between 2 s and 4 s

C between 4 s and 8 s

D between 8 s and 12 s

29 The diagrams show a glass tank with inside measurements of 5 cm × 6 cm × 4 cm.

4 cm

5 cm

6 cm

liquid

total mass = 220 g mass = 40 g

The tank has a mass of 40 g when empty. When the tank is filled with a liquid, the tank and liquid have a total mass of 220 g.

What is the density of the liquid?

A )46(5

220

××

g / cm3

B )46(5

)40220(

××

− g / cm3

C 220

)46(5 ××g / cm3

D 40)(220

4)6(5

−

××

g / cm3

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30 Which energy resource did not receive its energy from the Sun?

A geothermal

B hydroelectric

C oil

D waves 31 A glass bottle containing air is sealed with a screw cap and then cooled in cold water.

air

cap

cold water

The contraction of the glass bottle can be ignored.

What remains the same during the cooling?

A the air pressure inside the bottle

B the energy of the air molecules in the bottle

C the force on the cap made by the air molecules in the bottle

D the volume of air inside the bottle 32 What happens to the temperature of a substance as it is melting and as it is boiling?

melting boiling

A decreases increases

B decreases no change

C increases increases

D no change no change

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33 A hot metal ball is placed in a small hollow in a piece of wood. Two thermometers are placed equal distances from the ball, one at position P and one at position Q.

wood

hot

metal ball

Q

P

Which thermometer gives the highest reading and why?

highest reading reason

A thermometer at P the air conducts heat sideways, not upwards

B thermometer at P the wood conducts the heat sideways, not upwards

C thermometer at Q convection carries the heat upwards, not sideways

D thermometer at Q infra-red rays carry the heat upwards more than sideways

34 A converging lens in a camera is used to make an image on a film. The image is smaller than the

object.

At which point could the object be placed so that it makes this image?

A B C D

2 × focal

length of lens

focal length

of lens

film

35 The Sun emits infra-red radiation, ultraviolet radiation and visible light.

Which statement about the time it takes these radiations to reach Earth’s atmosphere is correct?

A Infra-red radiation arrives first.

B Ultraviolet radiation arrives first.

C Visible light arrives first.

D They all arrive at the same time.

15

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36 Astronaut 1 uses a hammer to mend a satellite in space. Astronaut 2 is nearby. There is no air in space.

astronaut 1 astronaut 2hammer

Compared with the sound heard if they were working on Earth, what does astronaut 2 hear?

A a louder sound

B a quieter sound

C a sound of the same loudness

D no sound at all 37 The instructions for a household lamp state that the plug should be fitted with a 3 A fuse.

What could happen if, by mistake, a 13 A fuse is fitted?

A The fuse might melt too easily.

B The lamp might explode if a fault develops.

C The wires connecting the lamp to the plug might overheat if a fault developed.

D Too much voltage might be supplied to the lamp.

16

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38 An electric current flows along a wire. A magnetic field is at right angles to it (into the page). This causes a force on the wire to the right.

magnetic field

into the page

direction of force

direction of

current

In which direction is the force when the current direction is reversed?

A to the right

B to the left

C upwards

D downwards 39 Which row describes the nature of alpha and beta radiation?

alpha beta

A electron electromagnetic wave

B electron helium nucleus

C helium nucleus electromagnetic wave

D helium nucleus electron

40 The diagrams represent the nuclei of four different atoms V, W, X and Y.

n

n n

p pn

np p

p p

n

np

p

n

pnn

p

pp

V W X Y key

proton

neutron

Which two diagrams represent isotopes of the same element?

A V and W B W and X C X and Y D Y and V

17

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© UCLES 2012 0654/12/M/J/12

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20

Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge.

© UCLES 2012 0654/12/M/J/12

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